./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5340bf17546db607ed31b5f063e2479b5dbce9cb .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5340bf17546db607ed31b5f063e2479b5dbce9cb ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 02:40:01,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 02:40:01,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 02:40:01,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 02:40:01,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 02:40:01,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 02:40:01,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 02:40:01,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 02:40:01,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 02:40:01,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 02:40:01,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 02:40:01,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 02:40:01,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 02:40:01,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 02:40:01,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 02:40:01,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 02:40:01,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 02:40:01,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 02:40:01,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 02:40:01,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 02:40:01,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 02:40:01,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 02:40:01,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 02:40:01,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 02:40:01,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 02:40:01,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 02:40:01,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 02:40:01,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 02:40:01,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 02:40:01,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 02:40:01,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 02:40:01,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 02:40:01,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 02:40:01,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 02:40:01,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 02:40:01,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 02:40:01,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 02:40:01,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 02:40:01,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 02:40:01,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 02:40:01,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 02:40:01,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-26 02:40:01,621 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 02:40:01,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 02:40:01,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 02:40:01,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 02:40:01,623 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 02:40:01,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 02:40:01,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 02:40:01,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 02:40:01,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 02:40:01,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 02:40:01,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 02:40:01,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 02:40:01,626 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 02:40:01,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 02:40:01,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 02:40:01,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 02:40:01,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 02:40:01,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 02:40:01,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 02:40:01,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 02:40:01,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 02:40:01,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 02:40:01,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 02:40:01,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 02:40:01,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 02:40:01,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 02:40:01,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 02:40:01,630 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5340bf17546db607ed31b5f063e2479b5dbce9cb [2020-10-26 02:40:02,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 02:40:02,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 02:40:02,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 02:40:02,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 02:40:02,061 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 02:40:02,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-10-26 02:40:02,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6df96d4/72dcfabf8a8b48b89833d4e0ce8ec0c5/FLAG501b13d41 [2020-10-26 02:40:03,569 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 02:40:03,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-10-26 02:40:03,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6df96d4/72dcfabf8a8b48b89833d4e0ce8ec0c5/FLAG501b13d41 [2020-10-26 02:40:04,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6df96d4/72dcfabf8a8b48b89833d4e0ce8ec0c5 [2020-10-26 02:40:04,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 02:40:04,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 02:40:04,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 02:40:04,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 02:40:04,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 02:40:04,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 02:40:04" (1/1) ... [2020-10-26 02:40:04,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6269abd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:40:04, skipping insertion in model container [2020-10-26 02:40:04,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 02:40:04" (1/1) ... [2020-10-26 02:40:04,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 02:40:04,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 02:40:06,561 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-26 02:40:06,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e3dcf25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:40:06, skipping insertion in model container [2020-10-26 02:40:06,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 02:40:06,563 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 02:40:06,568 INFO L168 Benchmark]: Toolchain (without parser) took 2388.32 ms. Allocated memory was 46.1 MB in the beginning and 73.4 MB in the end (delta: 27.3 MB). Free memory was 19.1 MB in the beginning and 32.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2020-10-26 02:40:06,570 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 37.7 MB. Free memory was 19.3 MB in the beginning and 19.2 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 02:40:06,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2379.79 ms. Allocated memory was 46.1 MB in the beginning and 73.4 MB in the end (delta: 27.3 MB). Free memory was 18.5 MB in the beginning and 32.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-10-26 02:40:06,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 37.7 MB. Free memory was 19.3 MB in the beginning and 19.2 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2379.79 ms. Allocated memory was 46.1 MB in the beginning and 73.4 MB in the end (delta: 27.3 MB). Free memory was 18.5 MB in the beginning and 32.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-26 02:40:09,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 02:40:09,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 02:40:09,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 02:40:09,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 02:40:09,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 02:40:09,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 02:40:09,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 02:40:09,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 02:40:09,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 02:40:09,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 02:40:09,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 02:40:09,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 02:40:09,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 02:40:09,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 02:40:09,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 02:40:09,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 02:40:09,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 02:40:09,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 02:40:09,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 02:40:09,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 02:40:09,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 02:40:09,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 02:40:09,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 02:40:09,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 02:40:09,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 02:40:09,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 02:40:09,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 02:40:09,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 02:40:09,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 02:40:09,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 02:40:09,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 02:40:09,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 02:40:09,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 02:40:09,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 02:40:09,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 02:40:09,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 02:40:09,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 02:40:09,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 02:40:09,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 02:40:09,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 02:40:09,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-10-26 02:40:09,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 02:40:09,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 02:40:09,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 02:40:09,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 02:40:09,205 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 02:40:09,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 02:40:09,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 02:40:09,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 02:40:09,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 02:40:09,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 02:40:09,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 02:40:09,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 02:40:09,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 02:40:09,208 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 02:40:09,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 02:40:09,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 02:40:09,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 02:40:09,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 02:40:09,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 02:40:09,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 02:40:09,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 02:40:09,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 02:40:09,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 02:40:09,211 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 02:40:09,212 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 02:40:09,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 02:40:09,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 02:40:09,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 02:40:09,213 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-10-26 02:40:09,213 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5340bf17546db607ed31b5f063e2479b5dbce9cb [2020-10-26 02:40:09,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 02:40:09,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 02:40:09,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 02:40:09,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 02:40:09,722 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 02:40:09,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-10-26 02:40:09,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e95855aa4/4d52746cb0e14e37962ac3f3035f2517/FLAG3ab103acb [2020-10-26 02:40:11,098 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 02:40:11,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-10-26 02:40:11,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e95855aa4/4d52746cb0e14e37962ac3f3035f2517/FLAG3ab103acb [2020-10-26 02:40:11,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e95855aa4/4d52746cb0e14e37962ac3f3035f2517 [2020-10-26 02:40:11,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 02:40:11,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 02:40:11,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 02:40:11,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 02:40:11,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 02:40:11,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 02:40:11" (1/1) ... [2020-10-26 02:40:11,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1bb370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:40:11, skipping insertion in model container [2020-10-26 02:40:11,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 02:40:11" (1/1) ... [2020-10-26 02:40:11,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 02:40:11,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 02:40:13,872 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-26 02:40:13,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@daa5c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:40:13, skipping insertion in model container [2020-10-26 02:40:13,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 02:40:13,874 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 02:40:13,877 INFO L168 Benchmark]: Toolchain (without parser) took 2549.07 ms. Allocated memory was 50.3 MB in the beginning and 79.7 MB in the end (delta: 29.4 MB). Free memory was 24.5 MB in the beginning and 32.8 MB in the end (delta: -8.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-10-26 02:40:13,879 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 39.8 MB. Free memory was 23.1 MB in the beginning and 23.1 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 02:40:13,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2540.77 ms. Allocated memory was 50.3 MB in the beginning and 79.7 MB in the end (delta: 29.4 MB). Free memory was 23.9 MB in the beginning and 33.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-10-26 02:40:13,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 39.8 MB. Free memory was 23.1 MB in the beginning and 23.1 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2540.77 ms. Allocated memory was 50.3 MB in the beginning and 79.7 MB in the end (delta: 29.4 MB). Free memory was 23.9 MB in the beginning and 33.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...